Lumbar Adjustment

To adjust the lumbar support:

To adjust the lumbar support:

► Press and hold the front or rear of the control to increase or decrease lumbar support.

► Press and hold the top or bottom of the control to raise or lower lumbar support.

Release the control when the desired level of support is reached.

    See also:

    How OnStar Service Works
    : This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

    LOW BATTERY
    This message is displayed when the battery voltage is low. See Battery for more information. ...

    Object Detection System Messages
    PARK ASSIST OFF This message is displayed when the park assist system has been turned off. See Ultrasonic Parking Assist . SERVICE PARK ASSIST This message is displayed if there is a problem with ...